Questions and Answers 100% Pass
What are the most common symptoms of decompression sickness? -
✔✔Pain in the joints, numbness, paralysis, loss of balance, muscle
weakness, and impaired thinking
What is the recommended first aid for decompression sickness? -
✔✔Controlling their temperature and administering pure oxygen, then
immediately getting them airlifted to a hospital for the decompression
chamber
What is the minimum concentration of oxygen required to maintain
consciousness at sea level? - ✔✔16%
What is the maximum percentage of oxygen that sport divers use in a
Nitrox mixture? - ✔✔40%
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, What is the maximum recommended depth for using 100 percent oxygen? -
✔✔20 feet
What FO2 does EAN 32 contain? - ✔✔68 percent nitrogen and 32 percent
oxygen
What are two reasons why EAN32 is a good choice for Nitrox diving? -
✔✔Will provide you with a good combination of extended bottom time
and unrestricted depth within the sport diving range, &. using EAN32
poses less risk in terms of exposure to oxygen than other richer mixtures.
What is the maximum partial pressure of oxygen (PO2) we use in Nitrox
diving? - ✔✔1.6
What does the term oxygen toxicity mean? - ✔✔condition that occurs when
the diver breathes a mixture of gas that allows the PO2 to exceed 1.6 by
going too deep or exceeding the time limit at a lower PO2
What is the primary risk associated with Nitrox diving? - ✔✔Oxygen
poisoning
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100% Pass Guarantee Katelyn Whitman, All Rights